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Hi. Can anyone shed some light on my tech problem.

2016 RS6. Codes from VCDS below.

Misfiring. Codes for multiple misfires and individual cylinders 1,2,3,4. Also cylinder disabling.

Fuel pressure Codes also.

Oil cap stinks of fuel.

So far I've:-

Changed the bank 1 high pressure fuel pump which was obviously leaking into the engine. The bank 2 side is dry.

Changed all 8 coil packs and put in new spark plugs.

All OEM Audi parts used.

Now the car is still running rough, but the fuel pressure Codes have gone and it's just misfiring on cylinder 1, according to VCDS.

ENG MAN & EPC light still on.

Thanks guys.